CA2726732A1 - Radiodiffusion de variantes de signaux numeriques au sein d'un reseau a acces conditionnel - Google Patents
Radiodiffusion de variantes de signaux numeriques au sein d'un reseau a acces conditionnel Download PDFInfo
- Publication number
- CA2726732A1 CA2726732A1 CA2726732A CA2726732A CA2726732A1 CA 2726732 A1 CA2726732 A1 CA 2726732A1 CA 2726732 A CA2726732 A CA 2726732A CA 2726732 A CA2726732 A CA 2726732A CA 2726732 A1 CA2726732 A1 CA 2726732A1
- Authority
- CA
- Canada
- Prior art keywords
- digital signal
- copies
- scrambled
- receiver
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000000034 method Methods 0.000 claims abstract description 52
- 230000015654 memory Effects 0.000 claims description 28
- 238000003780 insertion Methods 0.000 claims description 22
- 230000037431 insertion Effects 0.000 claims description 22
- 230000001960 triggered effect Effects 0.000 abstract description 5
- 238000012545 processing Methods 0.000 description 22
- 230000006837 decompression Effects 0.000 description 11
- 230000005236 sound signal Effects 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 8
- 101001073193 Homo sapiens Pescadillo homolog Proteins 0.000 description 6
- 102100035816 Pescadillo homolog Human genes 0.000 description 6
- 230000032258 transport Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 101100243456 Arabidopsis thaliana PES2 gene Proteins 0.000 description 2
- 101100294638 Neosartorya fumigata (strain ATCC MYA-4609 / Af293 / CBS 101355 / FGSC A1100) NRPS8 gene Proteins 0.000 description 2
- 101100243457 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) PES4 gene Proteins 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000001824 photoionisation detection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0021—Image watermarking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/23424—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234345—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements the reformatting operation being performed only on part of the stream, e.g. a region of the image or a time segment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
- H04N21/23892—Multiplex stream processing, e.g. multiplex stream encrypting involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
- H04N21/23895—Multiplex stream processing, e.g. multiplex stream encrypting involving multiplex stream encryption
- H04N21/23897—Multiplex stream processing, e.g. multiplex stream encrypting involving multiplex stream encryption by partially encrypting, e.g. encrypting only the ending portion of a movie
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/26616—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for merging a unicast channel into a multicast channel, e.g. in a VOD application, when a client served by unicast channel catches up a multicast channel to save bandwidth
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
- H04N21/44055—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption by partially decrypting, e.g. decrypting a video stream that has been partially encrypted
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44236—Monitoring of piracy processes or activities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8358—Generation of protective data, e.g. certificates involving watermark
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Virology (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Marketing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Systems (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10150105.4 | 2010-01-05 | ||
EP10150105.4A EP2341708B1 (fr) | 2010-01-05 | 2010-01-05 | Variantes de diffusion de signaux numériques dans un système d'accès conditionnel |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2726732A1 true CA2726732A1 (fr) | 2011-07-05 |
Family
ID=42035863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2726732A Abandoned CA2726732A1 (fr) | 2010-01-05 | 2010-12-31 | Radiodiffusion de variantes de signaux numeriques au sein d'un reseau a acces conditionnel |
Country Status (11)
Country | Link |
---|---|
US (1) | US9532006B2 (fr) |
EP (1) | EP2341708B1 (fr) |
JP (1) | JP5791905B2 (fr) |
KR (1) | KR20110081083A (fr) |
CN (1) | CN102118631B (fr) |
AU (1) | AU2011200025A1 (fr) |
BR (1) | BRPI1105421A2 (fr) |
CA (1) | CA2726732A1 (fr) |
MX (1) | MX2011000084A (fr) |
RU (1) | RU2011100147A (fr) |
ZA (1) | ZA201100115B (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2416317A1 (fr) * | 2010-08-03 | 2012-02-08 | Irdeto B.V. | Détection de filigranes dans des signaux |
EP2772060B1 (fr) | 2011-10-28 | 2021-03-10 | Irdeto B.V. | Traitement de flux de contenus |
WO2013107510A1 (fr) | 2012-01-19 | 2013-07-25 | Irdeto B.V. | Distribution de contenu à des récepteurs multiples en utilisant des canaux de multidiffusion |
WO2013120525A1 (fr) | 2012-02-15 | 2013-08-22 | Irdeto Bv | Génération de données de contenu à empreinte digitale à fournir à des récepteurs |
US8913543B2 (en) * | 2012-03-01 | 2014-12-16 | Telefonaktiebolaget L M Ericsson (Publ) | Cooperative relaying and network coding in a cellular communications system |
GB2505657A (en) * | 2012-09-05 | 2014-03-12 | Id3As Company Ltd | Digital watermarking and fingerprinting of source data |
WO2014149098A2 (fr) | 2013-03-15 | 2014-09-25 | United Technologies Corporation | Pale de ventilateur creuse dotée d'une gaine d'aile allongée |
EP3047353B1 (fr) | 2013-09-20 | 2020-04-08 | Hewlett-Packard Development Company, L.P. | Support de données |
CN103618914B (zh) * | 2013-12-16 | 2017-05-24 | 北京视博数字电视科技有限公司 | 矩阵指纹生成方法、设备和系统 |
WO2015145194A1 (fr) | 2014-03-28 | 2015-10-01 | Irdeto B.V | Systèmes et procédés de sécurisation d'un contenu polymorphe |
US20160094802A1 (en) * | 2014-09-25 | 2016-03-31 | Nagravision S.A. | Receiver-side marking of content for unique identification |
GB201505438D0 (en) | 2015-03-30 | 2015-05-13 | Irdeto Bv | Accessing content at a device |
CN109743641A (zh) * | 2019-01-23 | 2019-05-10 | 武汉烽火众智智慧之星科技有限公司 | 监控视频叠加水印的方法及系统 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1069532A (ja) | 1996-06-21 | 1998-03-10 | Matsushita Electric Ind Co Ltd | Icカード端末およびicカードシステム |
US20020000076A1 (en) * | 1999-07-01 | 2002-01-03 | Sam Goeku | Octagonal post anchor template |
US7770016B2 (en) * | 1999-07-29 | 2010-08-03 | Intertrust Technologies Corporation | Systems and methods for watermarking software and other media |
BR0109061A (pt) * | 2000-03-06 | 2006-02-07 | Entriq | Método e sistema para de forma única associar conteúdo de multidifusão com cada um dos vários receptores |
EP1134977A1 (fr) * | 2000-03-06 | 2001-09-19 | Irdeto Access B.V. | Procédé et système pour générer des copies d'un contenu brouillé avec des marquages uniques, et système de désembrouillage du contenu brouillé |
US7061930B2 (en) * | 2000-10-10 | 2006-06-13 | Matsushita Electric Industrial Co., Ltd. | Data selection/storage apparatus and data processing apparatus using data selection/storage apparatus |
US20020076204A1 (en) | 2000-12-18 | 2002-06-20 | Toshihisa Nakano | Key management device/method/program, recording medium, reproducing device/method, recording device, and computer-readable, second recording medium storing the key management program for copyright protection |
US20020112163A1 (en) * | 2001-02-13 | 2002-08-15 | Mark Ireton | Ensuring legitimacy of digital media |
AU2002303837A1 (en) * | 2001-05-24 | 2002-12-03 | Orton Business Ltd. | Compression methods for packetized sonet/sdh payloads |
US7747853B2 (en) * | 2001-06-06 | 2010-06-29 | Sony Corporation | IP delivery of secure digital content |
US7127619B2 (en) * | 2001-06-06 | 2006-10-24 | Sony Corporation | Decoding and decryption of partially encrypted information |
KR100993456B1 (ko) | 2002-01-02 | 2010-11-10 | 소니 일렉트로닉스 인코포레이티드 | 패킷의 부분적 복제, 암호화 및 암호 해독을 이루기 위한 장치 및 방법, 컴퓨터 판독 가능 저장 매체 |
WO2003061288A1 (fr) | 2002-01-02 | 2003-07-24 | Sony Electronics Inc. | Cryptage partiel et mise en correspondance d'identificateurs de paquets |
CN1633809B (zh) | 2002-01-02 | 2010-04-21 | 索尼电子有限公司 | 基本流部分加密 |
JP2005514717A (ja) | 2002-01-11 | 2005-05-19 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | マルチメディアのマルチキャスト伝送の受信器に一意の透かしの生成 |
FR2837100B1 (fr) | 2002-03-18 | 2004-07-23 | Flamel Tech Sa | Comprimes a bases de microcapsules a liberation modifiee |
ATE336861T1 (de) * | 2002-12-04 | 2006-09-15 | Irdeto Access Bv | Gerät, datenverteilungssystem mit einem solchen geräten, verfahren zur übertragung von daten |
US7490236B2 (en) | 2004-01-14 | 2009-02-10 | Cisco Technology, Inc. | Conditional access overlay partial encryption using MPEG transport continuity counter |
ATE478489T1 (de) | 2005-02-14 | 2010-09-15 | Irdeto Access Bv | Verfahren zur steuerung der kommunikation zwischen einem kopfendstellensystem und mehreren kundensystemen |
US7970138B2 (en) | 2006-05-26 | 2011-06-28 | Syphermedia International | Method and apparatus for supporting broadcast efficiency and security enhancements |
US8290157B2 (en) * | 2007-02-20 | 2012-10-16 | Sony Corporation | Identification of a compromised content player |
TW200903296A (en) * | 2007-05-22 | 2009-01-16 | Koninkl Philips Electronics Nv | Data security |
CN101477666A (zh) | 2008-01-03 | 2009-07-08 | 鸿富锦精密工业(深圳)有限公司 | 信息租用系统、信息租用提供商及其租用方法 |
EP2204979A1 (fr) * | 2008-12-30 | 2010-07-07 | Irdeto Access B.V. | Prise d'empreinte d'un objet de données avec des filigranes multiples |
US8479078B2 (en) * | 2009-10-30 | 2013-07-02 | Cleversafe, Inc. | Distributed storage network for modification of a data object |
-
2010
- 2010-01-05 EP EP10150105.4A patent/EP2341708B1/fr active Active
- 2010-12-31 CA CA2726732A patent/CA2726732A1/fr not_active Abandoned
-
2011
- 2011-01-04 ZA ZA2011/00115A patent/ZA201100115B/en unknown
- 2011-01-04 US US12/983,953 patent/US9532006B2/en active Active
- 2011-01-05 KR KR1020110001001A patent/KR20110081083A/ko not_active Application Discontinuation
- 2011-01-05 MX MX2011000084A patent/MX2011000084A/es not_active Application Discontinuation
- 2011-01-05 CN CN201110066884.7A patent/CN102118631B/zh active Active
- 2011-01-05 JP JP2011000450A patent/JP5791905B2/ja not_active Expired - Fee Related
- 2011-01-05 AU AU2011200025A patent/AU2011200025A1/en not_active Abandoned
- 2011-01-05 BR BRPI1105421-2A patent/BRPI1105421A2/pt not_active Application Discontinuation
- 2011-01-11 RU RU2011100147/07A patent/RU2011100147A/ru not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US20110211695A1 (en) | 2011-09-01 |
CN102118631B (zh) | 2016-01-20 |
MX2011000084A (es) | 2011-07-14 |
EP2341708B1 (fr) | 2017-03-08 |
KR20110081083A (ko) | 2011-07-13 |
RU2011100147A (ru) | 2012-07-20 |
JP2011142630A (ja) | 2011-07-21 |
EP2341708A1 (fr) | 2011-07-06 |
ZA201100115B (en) | 2012-12-27 |
JP5791905B2 (ja) | 2015-10-07 |
US9532006B2 (en) | 2016-12-27 |
BRPI1105421A2 (pt) | 2013-01-22 |
CN102118631A (zh) | 2011-07-06 |
AU2011200025A1 (en) | 2011-07-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request |
Effective date: 20151223 |
|
FZDE | Discontinued |
Effective date: 20210831 |
|
FZDE | Discontinued |
Effective date: 20210831 |